extenshi.io
SECURITY REPORT · EXTENSHI SCAN

OnionRouter

Firefox extension·by LouisCourrian
72
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

OnionRouter's safety score vs every other extension we've scanned
Globally
18%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Privacy & Security
13%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
23
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
17
median 3vs category median

Findings breakdown

Automated security signal · 23 distinct issues across 6 severities
23
distinct issues
detected

Permissions requested

6 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

High
Control proxy settings

Can route your browser traffic through a proxy server

High
Observe web requests

Can monitor all network requests made by the browser

High
View open tabs

Can see URLs and titles of all open tabs

High
Control privacy settings

Can modify browser privacy settings like Do Not Track and safe browsing

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Aug 21, 2026
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